UFC women's bantamweight champion Ronda Rousey thinks she will retire from the sport without ever suffering a loss. Challenger Cat Zingano is determined to spoil that dream at UFC 184. Watch Countdown to go inside the main event matchup.
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Arguably the greatest female boxer in history, Holly Holm is eager to test her skills inside the Ocatgon. The first UFC test is against Raquel Pennington in the co-main event of UFC 184. Go inside the camps of both fighters in this edition of Countdown.